The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 17, 2013
Filed:
Sep. 29, 2011
Applicants:
Alexander Paramonoff, North Vancouver, CA;
Robie Ralph, Delta, CA;
Inventors:
Alexander Paramonoff, North Vancouver, CA;
Robie Ralph, Delta, CA;
Assignee:
Marine Canada Acquisition Inc., Richmond, B.C., CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 39/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A hydraulic pump has a rotor and a hollow housing with a main interior chamber. The rotor is rotatably mounted in the main interior chamber. A smaller interior chamber is separated from the main interior chamber such that the smaller interior chamber retains gas therein when the main interior chamber is filled with a liquid.